Home / 142,715.26-214,064.65-42,873.26

Finding the Fourth Proportional to 142,715.26, 214,064.65 and 42,873.26

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Solution

The fourth proportional to 142,715.26, 214,064.65 and 42,873.26 is: 64,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,715.26 : 214,064.65 = 42,873.26 : x
  2. Step 2: Convert to fraction form
    142,715.26/214,064.65 = 42,873.26/x
  3. Step 3: Cross multiply
    142,715.26x = 214,064.65 × 42,873.26
  4. Step 4: Simplify right side
    142,715.26x = 9,177,649,396.26
  5. Step 5: Solve for x
    x = 9,177,649,396.26/142,715.26
  6. Step 6: Final answer
    x = 64,307.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.